Summary data stasiun Dongsi

Dataset statistics

Number of variables	18
Number of observations	35064
Missing cells	7600
Missing cells (%)	1.2%
Duplicate rows	0
Duplicate rows (%)	0.0%
Total size in memory	4.8 MiB
Average record size in memory	144.0 B

Variable types

Numeric	15
Categorical	3

Alerts

`station` has constant value ""	Constant
`CO` is highly overall correlated with `NO2` and 3 other fields	High correlation
`DEWP` is highly overall correlated with `PRES` and 1 other fields	High correlation
`NO2` is highly overall correlated with `CO` and 5 other fields	High correlation
`No` is highly overall correlated with `year`	High correlation
`O3` is highly overall correlated with `NO2` and 1 other fields	High correlation
`PM10` is highly overall correlated with `CO` and 3 other fields	High correlation
`PM2.5` is highly overall correlated with `CO` and 3 other fields	High correlation
`PRES` is highly overall correlated with `DEWP` and 1 other fields	High correlation
`SO2` is highly overall correlated with `CO` and 3 other fields	High correlation
`TEMP` is highly overall correlated with `DEWP` and 2 other fields	High correlation
`WSPM` is highly overall correlated with `NO2`	High correlation
`year` is highly overall correlated with `No`	High correlation
`PM2.5` has 750 (2.1%) missing values	Missing
`PM10` has 553 (1.6%) missing values	Missing
`SO2` has 663 (1.9%) missing values	Missing
`NO2` has 1601 (4.6%) missing values	Missing
`CO` has 3197 (9.1%) missing values	Missing
`O3` has 664 (1.9%) missing values	Missing
`RAIN` is highly skewed (γ1 = 27.3358138)	Skewed
`No` is uniformly distributed	Uniform
`No` has unique values	Unique
`hour` has 1461 (4.2%) zeros	Zeros
`RAIN` has 33673 (96.0%) zeros	Zeros
`WSPM` has 623 (1.8%) zeros	Zeros

Reproduction

Analysis started	2024-03-08 05:09:26.670019
Analysis finished	2024-03-08 05:10:06.679224
Duration	40.01 seconds
Software version	ydata-profiling vv4.6.5
Download configuration	config.json

No
Real number (ℝ)

HIGH CORRELATION UNIFORM UNIQUE

Distinct	35064
Distinct (%)	100.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	17532.5

Minimum	1
Maximum	35064
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	1
5-th percentile	1754.15
Q1	8766.75
median	17532.5
Q3	26298.25
95-th percentile	33310.85
Maximum	35064
Range	35063
Interquartile range (IQR)	17531.5

Descriptive statistics

Standard deviation	10122.249
Coefficient of variation (CV)	0.57734204
Kurtosis	-1.2
Mean	17532.5
Median Absolute Deviation (MAD)	8766
Skewness	0
Sum	6.1475958 × 10⁸
Variance	1.0245993 × 10⁸
Monotonicity	Strictly increasing

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
1	1	< 0.1%
23379	1	< 0.1%
23373	1	< 0.1%
23374	1	< 0.1%
23375	1	< 0.1%
23376	1	< 0.1%
23377	1	< 0.1%
23378	1	< 0.1%
23380	1	< 0.1%
23422	1	< 0.1%
Other values (35054)	35054	> 99.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1	1	< 0.1%
2	1	< 0.1%
3	1	< 0.1%
4	1	< 0.1%
5	1	< 0.1%
6	1	< 0.1%
7	1	< 0.1%
8	1	< 0.1%
9	1	< 0.1%
10	1	< 0.1%

Value	Count	Frequency (%)
35064	1	< 0.1%
35063	1	< 0.1%
35062	1	< 0.1%
35061	1	< 0.1%
35060	1	< 0.1%
35059	1	< 0.1%
35058	1	< 0.1%
35057	1	< 0.1%
35056	1	< 0.1%
35055	1	< 0.1%

year
Categorical

HIGH CORRELATION

Distinct	5
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	274.1 KiB

2016	8784
2014	8760
2015	8760
2013	7344
2017	1416

Length

Max length	4
Median length	4
Mean length	4
Min length	4

Characters and Unicode

Total characters	140256
Distinct characters	8
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	2013
2nd row	2013
3rd row	2013
4th row	2013
5th row	2013

Common Values

Value	Count	Frequency (%)
2016	8784	25.1%
2014	8760	25.0%
2015	8760	25.0%
2013	7344	20.9%
2017	1416	4.0%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
2016	8784	25.1%
2014	8760	25.0%
2015	8760	25.0%
2013	7344	20.9%
2017	1416	4.0%

Most occurring characters

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

Most occurring categories

Value	Count	Frequency (%)
Decimal Number	140256	100.0%

Most frequent character per category

Decimal Number

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

Most occurring scripts

Value	Count	Frequency (%)
Common	140256	100.0%

Most frequent character per script

Common

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	140256	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

month
Real number (ℝ)

Distinct	12
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	6.5229295

Minimum	1
Maximum	12
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	1
5-th percentile	1
Q1	4
median	7
Q3	10
95-th percentile	12
Maximum	12
Range	11
Interquartile range (IQR)	6

Descriptive statistics

Standard deviation	3.4487524
Coefficient of variation (CV)	0.52871219
Kurtosis	-1.2080577
Mean	6.5229295
Median Absolute Deviation (MAD)	3
Skewness	-0.0092942217
Sum	228720
Variance	11.893893
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=12)

Value	Count	Frequency (%)
3	2976	8.5%
5	2976	8.5%
7	2976	8.5%
8	2976	8.5%
10	2976	8.5%
12	2976	8.5%
1	2976	8.5%
4	2880	8.2%
6	2880	8.2%
9	2880	8.2%
Other values (2)	5592	15.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1	2976	8.5%
2	2712	7.7%
3	2976	8.5%
4	2880	8.2%
5	2976	8.5%
6	2880	8.2%
7	2976	8.5%
8	2976	8.5%
9	2880	8.2%
10	2976	8.5%

Value	Count	Frequency (%)
12	2976	8.5%
11	2880	8.2%
10	2976	8.5%
9	2880	8.2%
8	2976	8.5%
7	2976	8.5%
6	2880	8.2%
5	2976	8.5%
4	2880	8.2%
3	2976	8.5%

day
Real number (ℝ)

Distinct	31
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	15.729637

Minimum	1
Maximum	31
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	1
5-th percentile	2
Q1	8
median	16
Q3	23
95-th percentile	29
Maximum	31
Range	30
Interquartile range (IQR)	15

Descriptive statistics

Standard deviation	8.8002175
Coefficient of variation (CV)	0.55946729
Kurtosis	-1.1940295
Mean	15.729637
Median Absolute Deviation (MAD)	8
Skewness	0.0067598056
Sum	551544
Variance	77.443829
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=31)

Value	Count	Frequency (%)
1	1152	3.3%
2	1152	3.3%
28	1152	3.3%
27	1152	3.3%
26	1152	3.3%
25	1152	3.3%
24	1152	3.3%
23	1152	3.3%
22	1152	3.3%
21	1152	3.3%
Other values (21)	23544	67.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1	1152	3.3%
2	1152	3.3%
3	1152	3.3%
4	1152	3.3%
5	1152	3.3%
6	1152	3.3%
7	1152	3.3%
8	1152	3.3%
9	1152	3.3%
10	1152	3.3%

Value	Count	Frequency (%)
31	672	1.9%
30	1056	3.0%
29	1080	3.1%
28	1152	3.3%
27	1152	3.3%
26	1152	3.3%
25	1152	3.3%
24	1152	3.3%
23	1152	3.3%
22	1152	3.3%

hour
Real number (ℝ)

ZEROS

Distinct	24
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	11.5

Minimum	0
Maximum	23
Zeros	1461
Zeros (%)	4.2%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0
5-th percentile	1
Q1	5.75
median	11.5
Q3	17.25
95-th percentile	22
Maximum	23
Range	23
Interquartile range (IQR)	11.5

Descriptive statistics

Standard deviation	6.9222853
Coefficient of variation (CV)	0.60193785
Kurtosis	-1.2041745
Mean	11.5
Median Absolute Deviation (MAD)	6
Skewness	0
Sum	403236
Variance	47.918033
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=24)

Value	Count	Frequency (%)
0	1461	4.2%
1	1461	4.2%
22	1461	4.2%
21	1461	4.2%
20	1461	4.2%
19	1461	4.2%
18	1461	4.2%
17	1461	4.2%
16	1461	4.2%
15	1461	4.2%
Other values (14)	20454	58.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	1461	4.2%
1	1461	4.2%
2	1461	4.2%
3	1461	4.2%
4	1461	4.2%
5	1461	4.2%
6	1461	4.2%
7	1461	4.2%
8	1461	4.2%
9	1461	4.2%

Value	Count	Frequency (%)
23	1461	4.2%
22	1461	4.2%
21	1461	4.2%
20	1461	4.2%
19	1461	4.2%
18	1461	4.2%
17	1461	4.2%
16	1461	4.2%
15	1461	4.2%
14	1461	4.2%

PM2.5
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	582
Distinct (%)	1.7%
Missing	750
Missing (%)	2.1%
Infinite	0
Infinite (%)	0.0%
Mean	86.194297

Minimum	3
Maximum	737
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	3
5-th percentile	6
Q1	22
median	61
Q3	119
95-th percentile	260
Maximum	737
Range	734
Interquartile range (IQR)	97

Descriptive statistics

Standard deviation	86.575127
Coefficient of variation (CV)	1.0044183
Kurtosis	5.6455218
Mean	86.194297
Median Absolute Deviation (MAD)	44
Skewness	1.9792416
Sum	2957671.1
Variance	7495.2526
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3	892	2.5%
10	545	1.6%
8	524	1.5%
12	517	1.5%
9	504	1.4%
11	504	1.4%
13	490	1.4%
7	443	1.3%
14	431	1.2%
15	418	1.2%
Other values (572)	29046	82.8%
(Missing)	750	2.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
3	892	2.5%
4	283	0.8%
4.3	1	< 0.1%
4.4	1	< 0.1%
5	340	1.0%
6	402	1.1%
7	443	1.3%
8	524	1.5%
9	504	1.4%
9.6	1	< 0.1%

Value	Count	Frequency (%)
737	1	< 0.1%
695	1	< 0.1%
685	2	< 0.1%
684	1	< 0.1%
681	1	< 0.1%
680	1	< 0.1%
679	1	< 0.1%
678	1	< 0.1%
671	1	< 0.1%
670	1	< 0.1%

PM10
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	666
Distinct (%)	1.9%
Missing	553
Missing (%)	1.6%
Infinite	0
Infinite (%)	0.0%
Mean	110.33674

Minimum	2
Maximum	955
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	2
5-th percentile	10
Q1	38
median	86
Q3	151
95-th percentile	296.5
Maximum	955
Range	953
Interquartile range (IQR)	113

Descriptive statistics

Standard deviation	98.21986
Coefficient of variation (CV)	0.89018271
Kurtosis	6.1505909
Mean	110.33674
Median Absolute Deviation (MAD)	54
Skewness	1.9422459
Sum	3807831.3
Variance	9647.1409
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
6	405	1.2%
5	377	1.1%
16	296	0.8%
22	291	0.8%
24	286	0.8%
21	283	0.8%
18	281	0.8%
19	280	0.8%
14	279	0.8%
13	276	0.8%
Other values (656)	31457	89.7%
(Missing)	553	1.6%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
2	8	< 0.1%
3	86	0.2%
4	25	0.1%
5	377	1.1%
6	405	1.2%
7	170	0.5%
8	204	0.6%
9	203	0.6%
10	251	0.7%
11	233	0.7%

Value	Count	Frequency (%)
955	1	< 0.1%
915	1	< 0.1%
907	1	< 0.1%
891	1	< 0.1%
888	1	< 0.1%
876	1	< 0.1%
857	1	< 0.1%
856	1	< 0.1%
848	1	< 0.1%
847	1	< 0.1%

SO2
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	392
Distinct (%)	1.1%
Missing	663
Missing (%)	1.9%
Infinite	0
Infinite (%)	0.0%
Mean	18.531107

Minimum	0.2856
Maximum	300
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0.2856
5-th percentile	2
Q1	4
median	10
Q3	24
95-th percentile	66
Maximum	300
Range	299.7144
Interquartile range (IQR)	20

Descriptive statistics

Standard deviation	22.905655
Coefficient of variation (CV)	1.2360651
Kurtosis	9.4647721
Mean	18.531107
Median Absolute Deviation (MAD)	8
Skewness	2.5821137
Sum	637488.6
Variance	524.66902
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2	6248	17.8%
3	1788	5.1%
4	1671	4.8%
5	1432	4.1%
6	1408	4.0%
7	1257	3.6%
8	1108	3.2%
9	953	2.7%
10	920	2.6%
11	819	2.3%
Other values (382)	16797	47.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.2856	14	< 0.1%
0.5712	8	< 0.1%
0.8568	15	< 0.1%
1	269	0.8%
1.1424	11	< 0.1%
1.428	11	< 0.1%
1.7136	11	< 0.1%
1.9992	27	0.1%
2	6248	17.8%
2.1	1	< 0.1%

Value	Count	Frequency (%)
300	1	< 0.1%
278	1	< 0.1%
230	1	< 0.1%
201	1	< 0.1%
200	1	< 0.1%
198	1	< 0.1%
196	2	< 0.1%
192	1	< 0.1%
188	1	< 0.1%
187	1	< 0.1%

NO2
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	701
Distinct (%)	2.1%
Missing	1601
Missing (%)	4.6%
Infinite	0
Infinite (%)	0.0%
Mean	53.699443

Minimum	2
Maximum	258
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	2
5-th percentile	11
Q1	27
median	47
Q3	73
95-th percentile	118
Maximum	258
Range	256
Interquartile range (IQR)	46

Descriptive statistics

Standard deviation	33.95923
Coefficient of variation (CV)	0.63239445
Kurtosis	1.2315764
Mean	53.699443
Median Absolute Deviation (MAD)	22
Skewness	1.0279943
Sum	1796944.5
Variance	1153.2293
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
20	468	1.3%
32	456	1.3%
30	448	1.3%
34	444	1.3%
28	436	1.2%
36	433	1.2%
23	430	1.2%
42	427	1.2%
26	425	1.2%
37	425	1.2%
Other values (691)	29071	82.9%
(Missing)	1601	4.6%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
2	55	0.2%
3	9	< 0.1%
4	25	0.1%
5	56	0.2%
5.5431	1	< 0.1%
5.7484	1	< 0.1%
6	101	0.3%
6.5696	1	< 0.1%
6.7749	1	< 0.1%
6.9802	4	< 0.1%

Value	Count	Frequency (%)
258	1	< 0.1%
257	1	< 0.1%
256	1	< 0.1%
254	1	< 0.1%
249	1	< 0.1%
247	1	< 0.1%
244	1	< 0.1%
241	1	< 0.1%
236	2	< 0.1%
232	1	< 0.1%

CO
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	115
Distinct (%)	0.4%
Missing	3197
Missing (%)	9.1%
Infinite	0
Infinite (%)	0.0%
Mean	1330.0691

Minimum	100
Maximum	10000
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	100
5-th percentile	300
Q1	600
median	1000
Q3	1700
95-th percentile	3600
Maximum	10000
Range	9900
Interquartile range (IQR)	1100

Descriptive statistics

Standard deviation	1191.3059
Coefficient of variation (CV)	0.89567216
Kurtosis	8.6520305
Mean	1330.0691
Median Absolute Deviation (MAD)	500
Skewness	2.4522127
Sum	42385313
Variance	1419209.7
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
300	2419	6.9%
400	2137	6.1%
700	2076	5.9%
600	2050	5.8%
500	1978	5.6%
800	1855	5.3%
900	1728	4.9%
1000	1566	4.5%
1100	1507	4.3%
1200	1335	3.8%
Other values (105)	13216	37.7%
(Missing)	3197	9.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
100	277	0.8%
200	974	2.8%
300	2419	6.9%
400	2137	6.1%
500	1978	5.6%
600	2050	5.8%
700	2076	5.9%
800	1855	5.3%
900	1728	4.9%
1000	1566	4.5%

Value	Count	Frequency (%)
10000	10	< 0.1%
9900	2	< 0.1%
9800	1	< 0.1%
9600	1	< 0.1%
9500	4	< 0.1%
9400	5	< 0.1%
9300	5	< 0.1%
9200	5	< 0.1%
9100	5	< 0.1%
9000	3	< 0.1%

O3
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	737
Distinct (%)	2.1%
Missing	664
Missing (%)	1.9%
Infinite	0
Infinite (%)	0.0%
Mean	57.210637

Minimum	0.6426
Maximum	1071
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0.6426
5-th percentile	2
Q1	12
median	44.1252
Q3	81
95-th percentile	173
Maximum	1071
Range	1070.3574
Interquartile range (IQR)	69

Descriptive statistics

Standard deviation	58.033275
Coefficient of variation (CV)	1.0143791
Kurtosis	43.260873
Mean	57.210637
Median Absolute Deviation (MAD)	33.8748
Skewness	3.5145175
Sum	1968045.9
Variance	3367.861
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2	2950	8.4%
3	904	2.6%
4	862	2.5%
5	600	1.7%
6	541	1.5%
8	476	1.4%
7	466	1.3%
10	388	1.1%
9	377	1.1%
11	345	1.0%
Other values (727)	26491	75.6%
(Missing)	664	1.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.6426	1	< 0.1%
0.8568	1	< 0.1%
1	94	0.3%
1.071	1	< 0.1%
1.2852	1	< 0.1%
1.4994	1	< 0.1%
1.7136	1	< 0.1%
2	2950	8.4%
2.142	3	< 0.1%
2.3562	3	< 0.1%

Value	Count	Frequency (%)
1071	14	< 0.1%
1050	1	< 0.1%
1026	1	< 0.1%
500	1	< 0.1%
413	1	< 0.1%
346	1	< 0.1%
342	1	< 0.1%
338	1	< 0.1%
335	1	< 0.1%
324	1	< 0.1%

TEMP
Real number (ℝ)

HIGH CORRELATION

Distinct	963
Distinct (%)	2.7%
Missing	20
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	13.67149

Minimum	-16.8
Maximum	41.1
Zeros	332
Zeros (%)	0.9%
Negative	5222
Negative (%)	14.9%
Memory size	274.1 KiB

Quantile statistics

Minimum	-16.8
5-th percentile	-4
Q1	3.1
median	14.6
Q3	23.5
95-th percentile	30.7
Maximum	41.1
Range	57.9
Interquartile range (IQR)	20.4

Descriptive statistics

Standard deviation	11.458418
Coefficient of variation (CV)	0.83812507
Kurtosis	-1.1703241
Mean	13.67149
Median Absolute Deviation (MAD)	9.9
Skewness	-0.10086633
Sum	479103.68
Variance	131.29535
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3	401	1.1%
0	332	0.9%
1	326	0.9%
-1	315	0.9%
2	302	0.9%
-2	240	0.7%
-4	212	0.6%
4	197	0.6%
5	196	0.6%
-5	193	0.6%
Other values (953)	32330	92.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-16.8	2	< 0.1%
-16.3	1	< 0.1%
-16.2	1	< 0.1%
-16.1	1	< 0.1%
-16	1	< 0.1%
-15.9	3	< 0.1%
-15.8	2	< 0.1%
-15.6	1	< 0.1%
-15.4	1	< 0.1%
-15.3	2	< 0.1%

Value	Count	Frequency (%)
41.1	1	< 0.1%
40.4	1	< 0.1%
40	1	< 0.1%
39.6	1	< 0.1%
38.8	1	< 0.1%
38.4	1	< 0.1%
38.3	1	< 0.1%
38.2	1	< 0.1%
38.1	1	< 0.1%
38	2	< 0.1%

PRES
Real number (ℝ)

HIGH CORRELATION

Distinct	595
Distinct (%)	1.7%
Missing	20
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	1012.5474

Minimum	987.1
Maximum	1042
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	987.1
5-th percentile	997
Q1	1004
median	1012.2
Q3	1020.9
95-th percentile	1029.2
Maximum	1042
Range	54.9
Interquartile range (IQR)	16.9

Descriptive statistics

Standard deviation	10.266059
Coefficient of variation (CV)	0.010138843
Kurtosis	-0.9080139
Mean	1012.5474
Median Absolute Deviation (MAD)	8.4
Skewness	0.09963305
Sum	35483712
Variance	105.39196
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
1023	305	0.9%
1021	258	0.7%
1025	254	0.7%
1024	253	0.7%
1022	244	0.7%
1020	240	0.7%
1026	230	0.7%
1014	223	0.6%
1019	222	0.6%
1016	221	0.6%
Other values (585)	32594	93.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
987.1	1	< 0.1%
987.5	1	< 0.1%
987.7	3	< 0.1%
987.8	3	< 0.1%
987.9	1	< 0.1%
988.1	1	< 0.1%
988.4	1	< 0.1%
988.5	1	< 0.1%
988.6	2	< 0.1%
988.8	1	< 0.1%

Value	Count	Frequency (%)
1042	1	< 0.1%
1041.8	1	< 0.1%
1041.6	1	< 0.1%
1041.4	1	< 0.1%
1041.2	2	< 0.1%
1041.1	2	< 0.1%
1041	2	< 0.1%
1040.9	1	< 0.1%
1040.8	3	< 0.1%
1040.7	1	< 0.1%

DEWP
Real number (ℝ)

HIGH CORRELATION

Distinct	617
Distinct (%)	1.8%
Missing	20
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	2.4475345

Minimum	-35.3
Maximum	28.8
Zeros	74
Zeros (%)	0.2%
Negative	15475
Negative (%)	44.1%
Memory size	274.1 KiB

Quantile statistics

Minimum	-35.3
5-th percentile	-20.2
Q1	-8.8
median	3
Q3	15
95-th percentile	22.1
Maximum	28.8
Range	64.1
Interquartile range (IQR)	23.8

Descriptive statistics

Standard deviation	13.810696
Coefficient of variation (CV)	5.6426971
Kurtosis	-1.1106335
Mean	2.4475345
Median Absolute Deviation (MAD)	11.9
Skewness	-0.19689612
Sum	85771.4
Variance	190.73532
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
17.6	142	0.4%
16.9	133	0.4%
16.4	130	0.4%
16.2	130	0.4%
17.2	129	0.4%
17	129	0.4%
17.8	128	0.4%
17.1	128	0.4%
17.3	126	0.4%
17.7	122	0.3%
Other values (607)	33747	96.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-35.3	1	< 0.1%
-35.1	1	< 0.1%
-35	1	< 0.1%
-34.8	1	< 0.1%
-34.5	1	< 0.1%
-34.3	2	< 0.1%
-34.2	1	< 0.1%
-34.1	1	< 0.1%
-33.8	1	< 0.1%
-33.7	1	< 0.1%

Value	Count	Frequency (%)
28.8	2	< 0.1%
28.7	3	< 0.1%
28.5	2	< 0.1%
28.4	4	< 0.1%
28.3	2	< 0.1%
28.2	3	< 0.1%
28.1	3	< 0.1%
28	1	< 0.1%
27.9	1	< 0.1%
27.8	4	< 0.1%

RAIN
Real number (ℝ)

SKEWED ZEROS

Distinct	119
Distinct (%)	0.3%
Missing	20
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	0.064019518

Minimum	0
Maximum	46.4
Zeros	33673
Zeros (%)	96.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0
median	0
Q3	0
95-th percentile	0
Maximum	46.4
Range	46.4
Interquartile range (IQR)	0

Descriptive statistics

Standard deviation	0.78628199
Coefficient of variation (CV)	12.28191
Kurtosis	1020.5059
Mean	0.064019518
Median Absolute Deviation (MAD)	0
Skewness	27.335814
Sum	2243.5
Variance	0.61823937
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	33673	96.0%
0.1	310	0.9%
0.2	147	0.4%
0.3	118	0.3%
0.5	74	0.2%
0.4	71	0.2%
0.6	57	0.2%
0.7	47	0.1%
0.9	41	0.1%
0.8	35	0.1%
Other values (109)	471	1.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	33673	96.0%
0.1	310	0.9%
0.2	147	0.4%
0.3	118	0.3%
0.4	71	0.2%
0.5	74	0.2%
0.6	57	0.2%
0.7	47	0.1%
0.8	35	0.1%
0.9	41	0.1%

Value	Count	Frequency (%)
46.4	1	< 0.1%
36.6	1	< 0.1%
33.7	1	< 0.1%
33.1	1	< 0.1%
29.3	1	< 0.1%
29	1	< 0.1%
27.3	1	< 0.1%
24.1	1	< 0.1%
23.7	1	< 0.1%
21.7	1	< 0.1%

wd
Categorical

Distinct	16
Distinct (%)	< 0.1%
Missing	78
Missing (%)	0.2%
Memory size	274.1 KiB

ENE	3861
E	3564
NE	3540
ESE	2706
SW	2481
Other values (11)	18834

Length

Max length	3
Median length	2
Mean length	2.2486423
Min length	1

Characters and Unicode

Total characters	78671
Distinct characters	4
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	NNW
2nd row	NW
3rd row	NNW
4th row	N
5th row	NNW

Common Values

Value	Count	Frequency (%)
ENE	3861	11.0%
E	3564	10.2%
NE	3540	10.1%
ESE	2706	7.7%
SW	2481	7.1%
NW	2466	7.0%
SSW	1953	5.6%
NNE	1928	5.5%
SE	1880	5.4%
N	1865	5.3%
Other values (6)	8742	24.9%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
ene	3861	11.0%
e	3564	10.2%
ne	3540	10.1%
ese	2706	7.7%
sw	2481	7.1%
nw	2466	7.0%
ssw	1953	5.6%
nne	1928	5.5%
se	1880	5.4%
n	1865	5.3%
Other values (6)	8742	25.0%

Most occurring characters

Value	Count	Frequency (%)
E	25448	32.3%
N	20321	25.8%
S	17093	21.7%
W	15809	20.1%

Most occurring categories

Value	Count	Frequency (%)
Uppercase Letter	78671	100.0%

Most frequent character per category

Uppercase Letter

Value	Count	Frequency (%)
E	25448	32.3%
N	20321	25.8%
S	17093	21.7%
W	15809	20.1%

Most occurring scripts

Value	Count	Frequency (%)
Latin	78671	100.0%

Most frequent character per script

Latin

Value	Count	Frequency (%)
E	25448	32.3%
N	20321	25.8%
S	17093	21.7%
W	15809	20.1%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	78671	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
E	25448	32.3%
N	20321	25.8%
S	17093	21.7%
W	15809	20.1%

WSPM
Real number (ℝ)

HIGH CORRELATION ZEROS

Distinct	101
Distinct (%)	0.3%
Missing	14
Missing (%)	< 0.1%
Infinite	0
Infinite (%)	0.0%
Mean	1.8607846

Minimum	0
Maximum	10.5
Zeros	623
Zeros (%)	1.8%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0
5-th percentile	0.4
Q1	1
median	1.5
Q3	2.4
95-th percentile	4.455
Maximum	10.5
Range	10.5
Interquartile range (IQR)	1.4

Descriptive statistics

Standard deviation	1.2803683
Coefficient of variation (CV)	0.68807978
Kurtosis	3.3696482
Mean	1.8607846
Median Absolute Deviation (MAD)	0.6
Skewness	1.566528
Sum	65220.5
Variance	1.6393429
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
1.2	1863	5.3%
1.1	1838	5.2%
1	1782	5.1%
1.3	1713	4.9%
0.9	1642	4.7%
1.4	1572	4.5%
1.5	1427	4.1%
0.8	1385	3.9%
1.6	1324	3.8%
0.7	1269	3.6%
Other values (91)	19235	54.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	623	1.8%
0.1	234	0.7%
0.2	280	0.8%
0.3	244	0.7%
0.4	473	1.3%
0.5	691	2.0%
0.6	956	2.7%
0.7	1269	3.6%
0.8	1385	3.9%
0.9	1642	4.7%

Value	Count	Frequency (%)
10.5	1	< 0.1%
10.3	1	< 0.1%
10.2	1	< 0.1%
9.9	2	< 0.1%
9.8	1	< 0.1%
9.7	4	< 0.1%
9.6	1	< 0.1%
9.5	1	< 0.1%
9.3	1	< 0.1%
9.2	2	< 0.1%

station
Categorical

CONSTANT

Distinct	1
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	274.1 KiB

Dongsi	35064

Length

Max length	6
Median length	6
Mean length	6
Min length	6

Characters and Unicode

Total characters	210384
Distinct characters	6
Distinct categories	2 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Dongsi
2nd row	Dongsi
3rd row	Dongsi
4th row	Dongsi
5th row	Dongsi

Common Values

Value	Count	Frequency (%)
Dongsi	35064	100.0%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
dongsi	35064	100.0%

Most occurring characters

Value	Count	Frequency (%)
D	35064	16.7%
o	35064	16.7%
n	35064	16.7%
g	35064	16.7%
s	35064	16.7%
i	35064	16.7%

Most occurring categories

Value	Count	Frequency (%)
Lowercase Letter	175320	83.3%
Uppercase Letter	35064	16.7%

Most frequent character per category

Lowercase Letter

Value	Count	Frequency (%)
o	35064	20.0%
n	35064	20.0%
g	35064	20.0%
s	35064	20.0%
i	35064	20.0%

Uppercase Letter

Value	Count	Frequency (%)
D	35064	100.0%

Most occurring scripts

Value	Count	Frequency (%)
Latin	210384	100.0%

Most frequent character per script

Latin

Value	Count	Frequency (%)
D	35064	16.7%
o	35064	16.7%
n	35064	16.7%
g	35064	16.7%
s	35064	16.7%
i	35064	16.7%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	210384	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
D	35064	16.7%
o	35064	16.7%
n	35064	16.7%
g	35064	16.7%
s	35064	16.7%
i	35064	16.7%

Auto

Heatmap
Table

	CO	DEWP	NO2	No	O3	PM10	PM2.5	PRES	RAIN	SO2	TEMP	WSPM	day	hour	month	wd	year
CO	1.000	0.161	0.771	-0.059	-0.452	0.732	0.842	0.047	0.016	0.637	-0.193	-0.459	-0.006	-0.043	0.070	0.122	0.074
DEWP	0.161	1.000	0.068	-0.089	0.258	0.148	0.264	-0.775	0.178	-0.277	0.815	-0.209	0.019	-0.021	0.256	0.122	0.148
NO2	0.771	0.068	1.000	-0.047	-0.654	0.636	0.677	0.100	-0.061	0.538	-0.257	-0.574	0.005	-0.105	0.111	0.142	0.059
No	-0.059	-0.089	-0.047	1.000	-0.115	-0.040	-0.050	0.167	0.000	-0.259	-0.115	0.013	0.018	0.001	0.044	0.085	0.862
O3	-0.452	0.258	-0.654	-0.115	1.000	-0.222	-0.240	-0.452	-0.007	-0.248	0.606	0.463	-0.018	0.304	-0.194	0.165	0.048
PM10	0.732	0.148	0.636	-0.040	-0.222	1.000	0.888	-0.083	-0.081	0.566	-0.049	-0.279	0.030	0.040	-0.022	0.095	0.066
PM2.5	0.842	0.264	0.677	-0.050	-0.240	0.888	1.000	-0.106	-0.022	0.596	-0.018	-0.365	0.013	-0.002	-0.006	0.107	0.055
PRES	0.047	-0.775	0.100	0.167	-0.452	-0.083	-0.106	1.000	-0.087	0.257	-0.841	0.000	0.010	-0.037	-0.011	0.079	0.148
RAIN	0.016	0.178	-0.061	0.000	-0.007	-0.081	-0.022	-0.087	1.000	-0.153	0.039	-0.005	-0.010	-0.007	0.042	0.005	0.010
SO2	0.637	-0.277	0.538	-0.259	-0.248	0.566	0.596	0.257	-0.153	1.000	-0.367	-0.174	0.011	-0.009	-0.162	0.065	0.102
TEMP	-0.193	0.815	-0.257	-0.115	0.606	-0.049	-0.018	-0.841	0.039	-0.367	1.000	0.130	0.018	0.146	0.126	0.110	0.148
WSPM	-0.459	-0.209	-0.574	0.013	0.463	-0.279	-0.365	0.000	-0.005	-0.174	0.130	1.000	0.003	0.181	-0.152	0.181	0.042
day	-0.006	0.019	0.005	0.018	-0.018	0.030	0.013	0.010	-0.010	0.011	0.018	0.003	1.000	0.000	0.010	0.031	0.000
hour	-0.043	-0.021	-0.105	0.001	0.304	0.040	-0.002	-0.037	-0.007	-0.009	0.146	0.181	0.000	1.000	0.000	0.128	0.000
month	0.070	0.256	0.111	0.044	-0.194	-0.022	-0.006	-0.011	0.042	-0.162	0.126	-0.152	0.010	0.000	1.000	0.085	0.249
wd	0.122	0.122	0.142	0.085	0.165	0.095	0.107	0.079	0.005	0.065	0.110	0.181	0.031	0.128	0.085	1.000	0.089
year	0.074	0.148	0.059	0.862	0.048	0.066	0.055	0.148	0.010	0.102	0.148	0.042	0.000	0.000	0.249	0.089	1.000

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

The correlation heatmap measures nullity correlation: how strongly the presence or absence of one variable affects the presence of another.

First rows
Last rows

	No	year	month	day	hour	PM2.5	PM10	SO2	NO2	CO	O3	TEMP	PRES	DEWP	wd	WSPM	station
0	1	2013	3	1	0	9.0	9.0	3.0	17.0	300.0	89.0	-0.5	1024.5	-21.4	NNW	5.7	Dongsi
1	2	2013	3	1	1	4.0	4.0	3.0	16.0	300.0	88.0	-0.7	1025.1	-22.1	NW	3.9	Dongsi
2	3	2013	3	1	2	7.0	7.0	NaN	17.0	300.0	60.0	-1.2	1025.3	-24.6	NNW	5.3	Dongsi
3	4	2013	3	1	3	3.0	3.0	5.0	18.0	NaN	NaN	-1.4	1026.2	-25.5	N	4.9	Dongsi
4	5	2013	3	1	4	3.0	3.0	7.0	NaN	200.0	84.0	-1.9	1027.1	-24.5	NNW	3.2	Dongsi
5	6	2013	3	1	5	4.0	4.0	9.0	25.0	300.0	78.0	-2.4	1027.5	-21.3	NW	2.4	Dongsi
6	7	2013	3	1	6	5.0	5.0	10.0	29.0	400.0	67.0	-2.5	1028.2	-20.4	NW	2.2	Dongsi
7	8	2013	3	1	7	3.0	6.0	12.0	40.0	400.0	52.0	-1.4	1029.5	-20.4	NNW	3.0	Dongsi
8	9	2013	3	1	8	3.0	6.0	12.0	41.0	500.0	54.0	-0.3	1030.4	-21.2	NW	4.6	Dongsi
9	10	2013	3	1	9	3.0	6.0	9.0	31.0	400.0	69.0	0.4	1030.5	-23.3	N	5.5	Dongsi

	No	year	month	day	hour	PM2.5	PM10	SO2	NO2	CO	O3	TEMP	PRES	DEWP	wd	WSPM	station
35054	35055	2017	2	28	14	7.0	8.0	2.0	9.0	200.0	93.0	14.6	1013.3	-15.6	N	3.6	Dongsi
35055	35056	2017	2	28	15	8.0	33.0	2.0	8.0	200.0	96.0	15.4	1013.0	-15.0	NNW	3.3	Dongsi
35056	35057	2017	2	28	16	9.0	27.0	3.0	10.0	200.0	94.0	14.9	1012.6	-15.4	NW	2.1	Dongsi
35057	35058	2017	2	28	17	12.0	44.0	3.0	12.0	300.0	93.0	14.2	1012.5	-14.9	NW	3.1	Dongsi
35058	35059	2017	2	28	18	13.0	47.0	2.0	18.0	300.0	86.0	13.4	1013.0	-15.5	WNW	1.4	Dongsi
35059	35060	2017	2	28	19	16.0	51.0	3.0	29.0	400.0	73.0	12.5	1013.5	-16.2	NW	2.4	Dongsi
35060	35061	2017	2	28	20	18.0	45.0	3.0	43.0	500.0	54.0	11.6	1013.6	-15.1	WNW	0.9	Dongsi
35061	35062	2017	2	28	21	23.0	58.0	5.0	61.0	700.0	28.0	10.8	1014.2	-13.3	NW	1.1	Dongsi
35062	35063	2017	2	28	22	23.0	53.0	9.0	75.0	900.0	15.0	10.5	1014.4	-12.9	NNW	1.2	Dongsi
35063	35064	2017	2	28	23	30.0	71.0	11.0	87.0	1200.0	4.0	8.6	1014.1	-15.9	NNE	1.3	Dongsi

Overview

Variables

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Decimal Number

Most occurring scripts

Most frequent character per script

Common

Most occurring blocks

Most frequent character per block

ASCII

Common Values

Length

Most occurring characters

Most occurring categories

Most frequent character per category

Uppercase Letter

Most occurring scripts

Most frequent character per script

Latin

Most occurring blocks

Most frequent character per block

ASCII

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Lowercase Letter

Uppercase Letter

Most occurring scripts

Most frequent character per script

Latin

Most occurring blocks

Most frequent character per block

ASCII

Interactions

Correlations

Missing values

Sample